![I tried to cut out a hole for my mask but the inside turn out to be hollow. How do I fill in the gap so that the hollow inside won't show I tried to cut out a hole for my mask but the inside turn out to be hollow. How do I fill in the gap so that the hollow inside won't show](https://preview.redd.it/38jdlp0yfrk61.png?width=640&crop=smart&auto=webp&s=250191f3116e90639f7fc32be19fd04a3d1f813c)
I tried to cut out a hole for my mask but the inside turn out to be hollow. How do I fill in the gap so that the hollow inside won't show
![modeling - How to fill a rectangular hole with an even amount of vertices on either side? - Blender Stack Exchange modeling - How to fill a rectangular hole with an even amount of vertices on either side? - Blender Stack Exchange](https://i.stack.imgur.com/LsXmQ.png)
modeling - How to fill a rectangular hole with an even amount of vertices on either side? - Blender Stack Exchange
![blender fill object, blender fill hollow object, Fill in gaps in your mesh, grid fill, fill holes - YouTube blender fill object, blender fill hollow object, Fill in gaps in your mesh, grid fill, fill holes - YouTube](https://i.ytimg.com/vi/ItjZ3KDWT6I/maxresdefault.jpg)